Select the Thomas and Thomas Fly Rod model with the rod action you want:
Built on Bi-Angular Fiber Technology (BAFT). Maintains rod strength and action under heavy load. Normal rods compress into an oval when loaded heavily. Thomas and Thomas Fly Rod BAFT double helix fiber keeps the rod round while inhibiting torque and twisting. Increased strength, power and lightness, and a heightened feel of the line beyond the rod tip..